Although human society has grown very far from the primitive time, there are still aboriginal and tribal people living by hunting instincts for survival.
Amazon Aboriginal people live on hunting, gathering and are almost completely separated from the modern world. They raised their bow and arrow in the sky when they saw the plane.
Aboriginal people living in the Amazon jungle know how to catch giant electric eels weighing tens of kilograms without digging. They used only one type of tree and then smashed it